Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, ILLSETCON  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 illegal set constant in expression

    Facility: DEBUG, VMS Debugger

    Explanation: One of the constants specified in the given set
    expression has a type that is inconsistent with the set type.

    User Action: Change the erroneous set constant value to a
    constant with a type that agrees with the set type.